
*{margin: 0;padding: 0;list-style: none;cursor:pointer;-webkit-tap-highlight-color:rgba(0,0,0,0);   box-sizing: border-box;  -webkit-box-sizing: border-box;  -moz-box-sizing: border-box;  -o-box-sizing: border-box;}
 body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin: 0; padding: 0; }  button, input, select, textarea { font: 12px/1.5 tahoma, arial, \5b8b\4f53, sans-serif; } h1, h2, h3, h4, h5, h6 { font-size: 100%; } address, cite, dfn, em, var { font-style: normal; } /* ��б����� */ code, kbd, pre, samp { font-family: courier new, courier, monospace; } /* ͳһ�ȿ����� */ small { font-size: 12px; }  ul, ol { list-style: none; } a { text-decoration: none; } a:hover { text-decoration: underline; } legend { color: #000; } fieldset, img { border: 0; }  button, input, select, textarea { font-size: 100%; } table { border-collapse: collapse; border-spacing: 0; }

.href{
	position: fixed;
	bottom: 10%;
	right: 10px;
	zoom: 1;
	z-index:1000;
}
.href a{
	display: list-item;
	margin-bottom: .5em;
	background: rgba(0,0,0,.5);
	color: #fff;
	border-radius: 100%;
	width: 2em;
	height: 2em;
	line-height: 2em;
	font-size: 22px;
	text-align: center;
	text-decoration:none;
}
.href .icon{
	background:rgba(0,0,0,0);
	 fill: #fff;
	 height:22px;
	 width:22px;
	 vertical-align: middle;
	 
}